DIN EN 301128:2000-04
Отменен
Transmission and Multiplexing (TM) - Digital Radio Relay Systems (DRRS) - Plesiochronous Digital Hierarchy (PDH); low and medium capacity DRRS operating in the 13 GHz, 15 GHz and 18 GHz frequency bands (Endorsement of the English version EN 301128 V 1.1.1 (1999-08) as German standard)